Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/04903

04903

ZIP 04903 is in Waterville, Maine, in Kennebec County; area code 207; Eastern time. Waterville has 2 ZIP codes; the other is 04901.

Type
No street area
Time zone
America/New_York
County
Kennebec
Coordinates
44.5492, -69.7132

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 04963, whose figures describe that area — not this ZIP code.

☼ Live from 04903 — Waterville, ME

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Where 04903 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 04903
  • 🔢 Type 04903 into a pocket calculator and turn it upside down: EOGhO — not quite a word, sorry.
  • ➕ 04903 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001100100111
  • 🏠 Its numerical neighbours: 04901 (Waterville, ME, 7 mi away) and 04910 (Albion, ME, 13 mi away).
  • 🔄 Backwards, 04903 becomes 30940, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (00934, 03049, 03904, 04039, 04093, 04930, …). The farthest-flung twin is 09034 in APO AE, a military post office, 3,480 miles away.
  • 🧭 Farther north than 89% of all ZIP codes, and farther east than 97%.
  • 🎯1,505 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04903 and you would come out at 44.55°S, 110.29°E — 921 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 33m of daylight. Shortest: 8h 49m.
🌙 The sky over 04903 today
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Source: USGS.

Business and tax activity

Business establishments12This ZIP12
Employees89This ZIP89
Annual payroll$3,708,000This ZIP$3,708,000

Land area

ZIP codes near 04903

ZIPCityDistance
04962 North Vassalboro, ME 6.2 mi
04901 Waterville, ME 6.9 mi
04917 Belgrade, ME 7.5 mi
04937 Fairfield, ME 7.5 mi
04918 Belgrade Lakes, ME 7.5 mi
04978 Smithfield, ME 7.7 mi
04975 Shawmut, ME 8.1 mi
04935 East Vassalboro, ME 8.8 mi
04989 Vassalboro, ME 8.9 mi
04963 Oakland, ME 9.0 mi

Find every ZIP code within 10 miles of 04903 →

Questions about this ZIP code

Where is ZIP code 04903?

04903 is in Waterville, Maine, in Kennebec County, part of the Augusta-Waterville, ME micropolitan area. Its published point location is 44.5492, -69.7132.

What county is 04903 in?

04903 lies in Kennebec County.

What area code is 04903?

Waterville uses area code 207, from NANPA's telephone records.

What time zone is 04903 in?

04903 uses America/New_York.

What ZIP codes are near 04903?

The closest are 04962 (6.2 mi), 04901 (6.9 mi), 04917 (7.5 mi), 04937 (7.5 mi) and 04918 (7.5 mi).

Is 04903 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “04903 ZIP Code — Waterville, Maine (Kennebec County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04903

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